🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.65 AU - 0.67 AU

Year: 203 Days

Day: 16.7 Hours

Environment

Temp: 154 °C

Axial Tilt: 26.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.73 AU - 1.01 AU

Year: 307 Days

Day: 20.2 Hours

Environment

Temp: 41 °C

Axial Tilt: 43.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.01 AU - 1.05 AU

Year: 396 Days

Day: 34.8 Hours

Environment

Temp: -5 °C

Axial Tilt: 4.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.41 AU - 1.51 AU

Year: 668 Days

Day: 34.3 Hours

Environment

Temp: -48 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,155,616 km

• M1: 43,683 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.6

Radius: 7.2

Gravity: 15.6 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 11.15 AU - 18.31 AU

Year: 21412 Days

Day: 17.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,155,616 km

• M1: 89,759 km (0.099 R)
• M2: 345,870 km (0.107 R)
• M3: 675,285 km (0.03 R)
• M4: 1,021,753 km (0.102 R)
• M5: 1,762,712 km (0.071 R)
• M6: 2,405,085 km (0.079 R)
• M7: 3,755,954 km (0.061 R)
• M8: 6,011,590 km (0.113 R)
• M9: 6,362,397 km (0.079 R)
• M10: 6,773,343 km (0.082 R)
• M11: 7,250,560 km (0.116 R)
• M12: 8,433,281 km (0.05 R)
• M13: 9,503,205 km (0.029 R)
• M14: 10,040,560 km (0.039 R)
• M15: 10,347,685 km (0.053 R)
• M16: 11,175,559 km (0.118 R)
• M17: 12,046,817 km (0.113 R)
• M18: 18,338,754 km (0.119 R)
• M19: 20,515,104 km (0.11 R)
• M20: 22,542,754 km (0.077 R)
• M21: 30,177,780 km (0.106 R)
• M22: 31,729,260 km (0.112 R)
• M23: 34,293,367 km (0.106 R)
• M24: 35,554,926 km (0.096 R)
• M25: 42,329,316 km (0.11 R)
• M26: 42,649,007 km (0.095 R)
• M27: 54,498,355 km (0.106 R)
• M28: 67,708,744 km (0.104 R)
• M29: 70,360,067 km (0.111 R)
• M30: 71,711,385 km (0.053 R)
• M31: 76,814,318 km (0.098 R)
• M32: 82,154,064 km (0.061 R)
• M33: 83,401,262 km (0.097 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 11,838 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit